Improvement in gages for boilers



"Watergage UNITED STATES PATENT OFFICEO IMPROVEMENT IN GAGES FORBOILERS.

Specification forming part of Letters Patent No. 55,638, dated June 19,1866.

To all 'whom it may concern:

Be it known that I, C. L. FRINK, of Rockville, Tolland county, State ofConnecticut, have invented a new and Improved Socket for WaterGag-es;and l do hereby declare that the following is a full, clear, and exactdescription thereof, Which will enable others skilled in the art to makeand use the same, reference being had to the accompanying' draw` ing,forming part ot' this specication.

rlhe drawing represents a vertical central section ot' this invention.

This invention consists in the arrangement ofa safety-cock in line withthe channel leading from the lowest socket ot' a water-gage to thewater-space of a steam-boiler, in combination with the ordinaryblow-ott' cock at the bottom end of said socket, in such a manner thatby opening the safety-cock before the blow-oii'cock is opened a jet ofsolid water is poured through the socket at right angles with the boreof the glass tube, and thereby the steam is prevented from blowingthrough the gage when the blow-oft cock is opened, and the danger ofbreaking the glass tube is avoided.

A represents the glass tube of an ordinary This glass tube is fastenedat iop and bottom in suitable sockets B, (the bottom socket only beingshown in the drawing,) which are in connection with the interior of thesteam-boiler-the top socket with the steam-space and the bottom socketwith the water-space.

A cock, G, at the bottom end ot the lowest socket and in line with thebore ot' the glass ltube serves to blow oit' the water contained in saidsocket to the water-space ot the boiler.

It' this safety-cock is opened previous to opening the blow-oit' cock ajet ot' solid water is dtiven out through the same, and the steam isprevented from blowing clear through the glass tube. B v thisarrangement the glass tube can be kept perfectly clean, and the chiefdanger ot' breaking the same is avoided.

What l claim as new, and desire to secure by Letters Patent, isk

The arrangements of the cocks U D, in combination with the socket B andtube A, and operating in the manner and for the purpose hereinspecified.

C. L. FRINK. Witnesses:

R. L. FRUIC, E. I. SMITH.

